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Kusatsu Onsen Weather Forecast - 7 to 16 days - 21st September 2026

Kusatsu Onsen Weather

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Weather Forecast for Kusatsu Onsen ( 1,245m to 1,600m 4,085ft to 5,249ft )

Weather Outlook from 21 September.

Kusatsu Onsen Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Kusatsu Onsen Weather Forecast updated at 10:41 BST, next update expected 16:00 BST.

Long-range Snow Outlook for Kusatsu Onsen

 
Snowfall

 
Snow Line

Max 22℃ 71°F
Min 11℃ 52°F

Snow unlikely

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Kusatsu Onsen Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Kusatsu Onsen from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Mon
21
Mixed

Snow showers at altitude, rain showers below.

Max 20℃ 67°F
Min 17℃ 63°F
Tue
22
Clear

Clear sky.

Max 19℃ 66°F
Min 13℃ 55°F
Wed
23
Fair

Fair.

Max 18℃ 64°F
Min 12℃ 54°F
Thu
24
Fair

Fair.

Max 22℃ 71°F
Min 12℃ 53°F
Fri
25
Fair

Fair.

Max 20℃ 67°F
Min 11℃ 52°F
Sat
26
Drizzle

Drizzle.

Max 16℃ 60°F
Min 12℃ 53°F
Sun
27
Lt Rain

Light rain.

Max 15℃ 60°F
Min 12℃ 53°F

No significant snowfall is forecast for this period.

This Snow Forecast for Kusatsu Onsen, Japan gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Kusatsu Onsen, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Kusatsu Onsen Weather Forecast updated at 10:41 BST, next update expected 16:00 BST.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Kusatsu Onsen.

For more information about this Japanese Ski Resort, See Also Skiing and Snowboarding in Kusatsu Onsen .

Off-Piste Safety in Kusatsu Onsen

Before skiing or snowboarding off-piste in Kusatsu Onsen, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.